... rigid grade of nylon in all the sizes below. PA tube Nylon is now considered to be one of the most ... dilute acids and alkalis. Manufactured from type 12, nylon tube can be used in pneumatic control systems, fuel lines, lubrication ... the food, beverage and brewing industry. All our nylon tube is heat and light stabilized and can also be ... , Yellow, Orange, Brown, Grey and Pink or as required PA tube